/*
 * Copyright 2010-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jslet.paas.modelobject.service;

import java.util.HashMap;
import java.util.List;

import org.eclipse.persistence.dynamic.DynamicEntity;

import org.jslet.paas.modelmeta.model.ModelMeta;

public interface ModelObjectService
{

	public List<ModelMeta> getMetaData();
	
	/**
	 * 
	 * Find all data.
	 * 
	 * @param modelName Business object name
	 * @return List of DynamicEntity
	 */
	public abstract List<DynamicEntity> findAll(String modelName, int pageNum, int pageSize, List<HashMap<String, Object>> filters);

	/***
	 * 
	 * Insert business object into database.
	 * 
	 * @param modelName business object name
	 * @param entityList inserting business objects
	 */
	public abstract List<HashMap<String, Object>> createModelObject(String modelName, List<HashMap<String, Object>> entityList);

	/***
	 * 
	 * Update business object to database.
	 * 
	 * @param modelName business object name
	 * @param entityList updating business objects
	 */
	public abstract List<HashMap<String, Object>> updateModelObject(String modelName, List<HashMap<String, Object>> entityList);

	/***
	 * 
	 * Delete business objects.
	 * 
	 * @param modelName business object name
	 * @param entityList deleting business objects
	 */
	public abstract List<HashMap<String, Object>> deleteModelObject(String modelName, List<HashMap<String, Object>> entityList);

}
